Number of nX6 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.
A265971
Number of nX6 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.
Terms
- a(0) =4616a(1) =190308a(2) =339952a(3) =721864a(4) =1820904a(5) =5006296a(6) =13435392a(7) =35632192a(8) =95276272a(9) =261736272a(10) =709324400a(11) =1927403116a(12) =5292526288a(13) =14866077768a(14) =40973803912a(15) =112866192572a(16) =314639453512a(17) =897120499588
External references
- oeis: A265971